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22,148
RESULTS

Media Type
5
collections
13,986
texts
7,424
movies
634
audio
93
images
2
data
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Availability
22,148
Always Available
Year
99
2018
795
2017
552
2016
934
2015
1,759
2014
3,027
2013
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Topics & Subjects
14,913
NSA
12,154
National Security Agency
7,621
Cryptography
7,618
Friedman
7,618
William F. Friedman
7,011
nsa
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Collection
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Creator
7,618
william f. friedman
3,470
nsa
1,024
edward snowden
185
national security agency
92
public speaking library
44
kevin canada
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Language
20,862
English
54
German
19
Handwritten English
16
Esperanto
15
Spanish
7
French
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